Australian actor Chris Hemsworth reveals his thoughts about heightened risk of Alzheimer's in a documentary chronicling his ...

Beef and dairy cattle are livestock agriculture's biggest source of methane, which has more than 80 times the warming ...

Twenty-four girls who were abducted from a government boarding school in northwestern Nigeria last week have been released, ...

Ash plumes from a volcanic eruption in Ethiopia have covered parts of Pakistan and northern India, forcing Air India and ...

Virgin Group founder Richard Branson says he is "heartbroken" as he announced his wife Joan Templeman has died. The couple ...